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ICD-10-CM · FY 2026 APRIL UPDATE

K85

Acute pancreatitis

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
K85.0Idiopathic acute pancreatitisCategory
K85.00Idiopathic acute pancreatitis without necrosis or infectionBillable
K85.01Idiopathic acute pancreatitis with uninfected necrosisBillable
K85.02Idiopathic acute pancreatitis with infected necrosisBillable
K85.1Biliary acute pancreatitisCategory
K85.10Biliary acute pancreatitis without necrosis or infectionBillable
K85.11Biliary acute pancreatitis with uninfected necrosisBillable
K85.12Biliary acute pancreatitis with infected necrosisBillable
K85.2Alcohol induced acute pancreatitisCategory
K85.20Alcohol induced acute pancreatitis without necrosis or infectionBillable
K85.21Alcohol induced acute pancreatitis with uninfected necrosisBillable
K85.22Alcohol induced acute pancreatitis with infected necrosisBillable
K85.3Drug induced acute pancreatitisCategory
K85.30Drug induced acute pancreatitis without necrosis or infectionBillable
K85.31Drug induced acute pancreatitis with uninfected necrosisBillable
K85.32Drug induced acute pancreatitis with infected necrosisBillable
K85.8Other acute pancreatitisCategory
K85.80Other acute pancreatitis without necrosis or infectionBillable
K85.81Other acute pancreatitis with uninfected necrosisBillable
K85.82Other acute pancreatitis with infected necrosisBillable
K85.9Acute pancreatitis, unspecifiedCategory
K85.90Acute pancreatitis without necrosis or infection, unspecifiedBillable
K85.91Acute pancreatitis with uninfected necrosis, unspecifiedBillable
K85.92Acute pancreatitis with infected necrosis, unspecifiedBillable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.